The flight distance from Sofia Airport (SOF) in Sofia, Bulgaria to Sydney Kingsford Smith International Airport (SYD) in Sydney, Australia is 15,431 kilometers (9,588 miles / 8,332 nautical miles). The estimated flight time for this route is approximately 19h, flying east at a heading of 96°.

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

This is an international route connecting Bulgaria with Australia. It is an intercontinental flight between Europe and Oceania. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 13:19 in Sofia, it's 20:19 in Sydney. With a 7-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 1,721 feet between the two airports. Sydney Kingsford Smith International Airport sits lower than Sofia Airport.

The return flight from Sydney (SYD) to Sofia (SOF) follows a heading of 298° (west northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Sofia Airport (SOF) and Sydney Kingsford Smith International Airport (SYD) detail pages, or use our flight duration calculator to compare other routes.